Here's an article with some interesting analysis by a financial guru type. He adds in the population deflator and recalculates the indicator. Curiously enough, when adjusted for population it PEAKED IN 2005!!
http://www.advisorperspectives.com/dshort/updates/DOT-Miles-Driven.php
Lots of cool graphs in the article, but as gifs, they don't want to post for me here.


